[PATCH 2/2] usb: cdns3: gadget: Fix full-speed mode

From: Roger Quadros
Date: Mon Oct 07 2019 - 08:16:31 EST


We need to disable USB3 PHY for full-speed mode else
gadget mode is broken.

Signed-off-by: Roger Quadros <rogerq@xxxxxx>
Signed-off-by: Sekhar Nori <nsekhar@xxxxxx>
---
drivers/usb/cdns3/gadget.c | 1 +
1 file changed, 1 insertion(+)

diff --git a/drivers/usb/cdns3/gadget.c b/drivers/usb/cdns3/gadget.c
index 228cdc4ab886..157536753b8c 100644
--- a/drivers/usb/cdns3/gadget.c
+++ b/drivers/usb/cdns3/gadget.c
@@ -2571,6 +2571,7 @@ static int cdns3_gadget_start(struct cdns3 *cdns)
switch (max_speed) {
case USB_SPEED_FULL:
writel(USB_CONF_SFORCE_FS, &priv_dev->regs->usb_conf);
+ writel(USB_CONF_USB3DIS, &priv_dev->regs->usb_conf);
break;
case USB_SPEED_HIGH:
writel(USB_CONF_USB3DIS, &priv_dev->regs->usb_conf);
--
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